FR1247162A - Procédé de préparation de para-tungstate d'ammonium - Google Patents

Procédé de préparation de para-tungstate d'ammonium

Info

Publication number
FR1247162A
FR1247162A FR817426A FR817426A FR1247162A FR 1247162 A FR1247162 A FR 1247162A FR 817426 A FR817426 A FR 817426A FR 817426 A FR817426 A FR 817426A FR 1247162 A FR1247162 A FR 1247162A
Authority
FR
France
Prior art keywords
preparation process
ammonium para
tungstate
tungstate preparation
para
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR817426A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Mills Inc
Original Assignee
General Mills Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Mills Inc filed Critical General Mills Inc
Application granted granted Critical
Publication of FR1247162A publication Critical patent/FR1247162A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR817426A 1959-02-10 1960-02-03 Procédé de préparation de para-tungstate d'ammonium Expired FR1247162A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US792267A US3052516A (en) 1959-02-10 1959-02-10 Process for recovering tungsten values from solution

Publications (1)

Publication Number Publication Date
FR1247162A true FR1247162A (fr) 1960-11-25

Family

ID=25156304

Family Applications (1)

Application Number Title Priority Date Filing Date
FR817426A Expired FR1247162A (fr) 1959-02-10 1960-02-03 Procédé de préparation de para-tungstate d'ammonium

Country Status (2)

Country Link
US (1) US3052516A (fr)
FR (1) FR1247162A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206277A (en) * 1961-09-28 1965-09-14 Minerals Engineering Company Process for recovering pure vanadium oxide
US3206276A (en) * 1961-09-28 1965-09-14 Minerals Engineering Company Process for recovery of pure v2o5 from vanadium bearing materials
US3256057A (en) * 1962-10-26 1966-06-14 Burwell Blair Process of recovering high purity tungsten compositions from tungsten-bearing ores
US3256058A (en) * 1965-05-13 1966-06-14 Burwell Blair Process for recovery of tungsten from scheelite and wolframite ores
US4092400A (en) * 1977-04-11 1978-05-30 Engelhard Minerals & Chemicals Corp. Process for recovering high purity tungsten compositions from wolframite ores
US4115513A (en) * 1977-08-16 1978-09-19 Westinghouse Electric Corp. Processing of ammonium paratungstate from tungsten ores
US4175109A (en) * 1978-08-03 1979-11-20 Gte Sylvania Incorporated Process for extracting tungsten from alkali metal tungstate solutions
US4287159A (en) * 1979-07-23 1981-09-01 Gte Laboratories Incorporated Extraction process for the recovery of tungsten from low level sources
US4279870A (en) * 1979-07-23 1981-07-21 Gte Laboratories Incorporated Liquid-liquid extraction process for the recovery of tungsten from low level sources
US4279869A (en) * 1979-12-13 1981-07-21 Kerr-Mcgee Corporation Process for recovering concentrated, purified tungsten values from brine
US4298485A (en) * 1980-06-16 1981-11-03 Gte Products Corporation Process of preparing lubricating oil additive containing tungsten
US4624844A (en) * 1985-02-04 1986-11-25 Gte Products Corporation Process for producing ammonium paratungstate
US4626425A (en) * 1985-02-25 1986-12-02 Gte Products Corporation Recovery of tungsten from ammoniacal solutions
US4623534A (en) * 1985-03-21 1986-11-18 Gte Products Corporation Method for producing ammonium paratungstate
DE102007063691B4 (de) * 2007-02-02 2011-01-13 H.C. Starck Gmbh Ammoniumparawolframatdekahydrat und Verfahren zur Herstellung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB347074A (en) * 1929-07-25 1931-04-23 Ici Ltd Improvements in the purification of complex compounds containing phosphorus and tungsten
US2211119A (en) * 1937-07-17 1940-08-13 Chemical Foundation Inc Method of recovery of vanadium from acid solutions
US2202525A (en) * 1937-09-15 1940-05-28 Chemical Foundation Inc Method of recovery of molybdenum values
US2703789A (en) * 1951-04-23 1955-03-08 Gulf Research Development Co Catalyst preparation
US2802718A (en) * 1955-03-18 1957-08-13 George A Zotos Catalytic treatment of ores
US2894814A (en) * 1956-09-28 1959-07-14 Wah Chang Corp Purification of tungstates
US2877250A (en) * 1956-12-10 1959-03-10 Keith B Brown Recovery of uranium values
US2870207A (en) * 1957-01-29 1959-01-20 Rohm & Haas Secondary aliphatic amines containing tertiary carbon atoms
US2955932A (en) * 1957-04-22 1960-10-11 Kerr Mc Gee Oil Ind Inc Hydrometallurgical process
US2963342A (en) * 1957-12-09 1960-12-06 Union Carbide Corp Process for recovering tungsten values from tungsten-bearing ore
US2963343A (en) * 1957-12-09 1960-12-06 Union Carbide Corp Method of separating molybdenum and tungsten values from leach liquors

Also Published As

Publication number Publication date
US3052516A (en) 1962-09-04

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